Continuous determination of hydrogen extractable nitrogen from silicon-iron by an ammonia gas sensing electrode

1978 ◽  
Vol 50 (8) ◽  
pp. 1046-1049 ◽  
Author(s):  
R. G. Hirst ◽  
C. M. Maucione
Keyword(s):  
Gas Sensing ◽  
Silicon Iron ◽  
Ammonia Gas ◽  
Extractable Nitrogen ◽  
Continuous Determination

scholarly journals The Consecutive Determination of Serum Ammonia and Leucine Amino Peptidase with an Ammonia Gas-sensing Electrode

1983 ◽  
Vol 56 (6) ◽  
pp. 1857-1858 ◽  
Author(s):  
Masakatsu Hato ◽  
Yukio Shimura ◽  
Tomiko Akiyama ◽  
Hiroko Nakayama
Keyword(s):  
Gas Sensing ◽  
Ammonia Gas ◽  
Leucine Amino Peptidase ◽  
Serum Ammonia

scholarly journals Determination of nitrogen in drugs by use of ammonia gas sensing electrode.

1987 ◽  
Vol 36 (12) ◽  
pp. T129-T131 ◽  
Author(s):  
Shoichiro TAGAMI ◽  
Sachiko MIYAJIMA
Keyword(s):  
Gas Sensing ◽  
Ammonia Gas

Determination of Free Urea in Fertilizers Containing Urea Formaldehyde Polymers

1977 ◽  
Vol 60 (3) ◽  
pp. 708-709 ◽  
Author(s):  
Andrea Barbera ◽  
Diego Canepa
Keyword(s):  
Enzymatic Hydrolysis ◽  
Gas Sensing ◽  
Urea Formaldehyde ◽  
Ammonia Gas ◽  
Urea Nitrogen ◽  
Condensation Products ◽  
Urea Determination

Abstract This report describes a method for determining free, unreacted urea nitrogen in mixed compounds containing condensation products of urea and formaldehyde by using an ammonia gas-sensing electrode. Free urea is determined by potentiometrically measuring the ammonia produced following exhaustive hydrolysis by urease and subtracting the amount of ammonia present before enzymatic hydrolysis. Urea of condensed polymers does not interfere in free urea determination.

Determination of organonitriles using enzyme-based selectivity mechanisms. 1. An ammonia gas sensing electrode-based sensor for benzonitrile

1993 ◽  
Vol 65 (21) ◽  
pp. 3134-3136 ◽  
Author(s):  
Zhaohui. Liu ◽  
Yi. Wang ◽  
Samuel P. Kounaves ◽  
Edward J. Brush
Keyword(s):  
Gas Sensing ◽  
Ammonia Gas
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